Mouthguard with relief pattern



FIG. 1 is a front perspective view of a mouthguard with relief pattern showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right side elevational view thereof; and,

FIG. 8 is a left side elevational view thereof.

The broken lines shown in the drawings represent portions of the mouthguard with relief pattern that form no part of the claimed design. 

The ornamental design for a mouthguard with relief pattern, as shown and described. 